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![Product Image][1]
## 1 Technical Specification
### 1.1 Feature
- Measure multiple parameters of single-phase AC equipment, such as voltage, current, power, etc.
- Apply the dedicated measuring chip with high precision
- Support wireless 802.11 b/g/n protocol
- 1 RS-485 port
- Support standard MODBUS-RTU, good compatibility and easy programming
- ESD Protection
- Wide operating voltage AC80～265V,
- Reverse connection protection
- High isolation voltage, DC2000V withstand voltage
### 1.2 Technical parameters
#### 1.2.1 Single-phase AC input
- Voltage Range: 100V, 220V
- Current Range: 5A、50A、100A
- Signal Processing: applies dedicated measuring chip, 24bit AD sample
- Overload Capacity: Not damaged under 5 times current, 1.2 times voltage within 20mS
- Input Impedance: Voltage channel＞1 kΩ／V；Current Channel≤100mΩ
#### 1.2.2 Communication interface
- Interface：RS-485
- Protocol：MODBUS-RTU；
- Data format：“n,8,1”；
- Baud rate：1200、2400、4800、9600Bps；9600Bps by default；
#### 1.2.3 Data Output
- Voltage, Current, Power, Energy, Power Factor, Frequency
#### 1.2.4 Precision
- Voltage、Current、Energy：±1.0%；
- Active Power: Class 1
#### 1.2.5 Isolation
- Isolation Voltage: 2000VDC；
- Communication port is isolated with power input port
#### 1.2.6 AC Input
- Voltage Range: 100V-220V
- Current Range: 5A-100A
- Peak voltage: not exceeds 265V；
- Typical power consumption：≤2W；(220VAC input)
#### 1.2.7 Work Environment
- Working Temperature: -20～+70℃；Storage Temperature：-40～+85℃；
- Absolute Humidity：5～95%；
- Altitude：0～3000m；
#### 1.2.8 Temperature Drift
- Temperature Drift≤100ppm/℃；
#### 1.2.9 Product Size
- Product Size: 90×36.5×58mm
#### 1.2.10 W-Fi Parameters
- UART baud rate：9600/8/n/1
- Support WiFi 802.11b/g/n, Wi-Fi frequency 1-13
- Wi-Fi transmit power: 18.5dBm@11b，15.5dBm@11g，14.5dBm@11n；
- Wi-Fi frequency: 2.400~2.472GHZ
- Highest transmit speed: 3686400bps
- Support WiFi-DuSL Mode；
- Maximum connections：8
- Support WEB；
- Embedded PCB Antenna, support IPEX external antenna
## 3 C/T Dimensions
The dimension of CT is shown as figure3（Unit: mm）
![][2]
## 4 Terminals
- Wire the electricity wire connect to terminal UL（Live）and UN（Neutral） for voltage measurement；
- The live wire must go through the hole of C/T (according to the current direction marked at the bottom of C/T )
- RS-485 interface has two terminals， terminal A is positive，B is negative；
##4 Indicator
There are three indicators in the front panel，”RUN”, “REV” and “WiFi”；
- RUN：Always on after powering on，flashing while the WiFi module is communicating with the power meter；
- REV：Always on when the current is reversed
- WIFI：Always on after the Wi-Fi module is connected to the router
[1]:http://leweidoc.oss-cn-hangzhou.aliyuncs.com/lewei50/img/imeter-lewei50-20180116-1.jpg
[2]:http://leweidoc.oss-cn-hangzhou.aliyuncs.com/lewei50/img/imeter-lewei50-20180116-2.jpg
